EASY
11th CBSE
IMPORTANT
Earn 100

In how many ways can 11 members of a committee sit at a round table so that the secretary and the joint secretary are always the neighbours of the president?

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Important Questions on Permutations

EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8G>Q 4
In how many ways can 8 persons be seated at a round table so that all shall not have the same neighbours in any two arrangements?
EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8G>Q 5
In how many different ways can 20 different pearls be arranged to form a necklace?
EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8G>Q 6
In how many different ways can a garland of 16 different flowers be made?
EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8H>Q 1
If (n+1)!=12×[(n-1)!], find the value of n.
EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8H>Q 2
If 14!+15!=x6!, find the value of x.
EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8H>Q 3
How many 3-digit numbers are there with no digit repeated?
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8H>Q 4
How many 3-digit numbers above 600 can be formed by using the digits 2,3,4,5,6, if repetition of digits is allowed?
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 8 - Permutations>EXERCISE 8H>Q 5
How many numbers divisible by 5 and lying between 4000 and 5000 can be formed from the digits 4,5,6,7,8, if repetition of digits is allowed?